package com.weblog.weblogapi.service.impl;


import cn.hutool.json.JSONObject;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.weblog.weblogapi.config.AliPayConfigs;
import com.weblog.weblogapi.dao.mapper.OrderMemberMapper;
import com.weblog.weblogapi.dao.pojo.Member;
import com.weblog.weblogapi.dao.pojo.OrderMember;
import com.weblog.weblogapi.service.MemberService;
import com.weblog.weblogapi.service.OrderMemberService;
import com.weblog.weblogapi.service.UserService;
import com.weblog.weblogapi.vo.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Service
public class OrderMemberServiceImpl implements OrderMemberService {
    private static final String GATEWAY_URL = "https://openapi.alipaydev.com/gateway.do";
    private static final String FORMAT = "JSON";
    private static final String CHARSET = "UTF-8";
    //签名方式
    private static final String SIGN_TYPE = "RSA2";

    @Autowired
    private AliPayConfigs aliPayConfigs;
    @Autowired
    private UserService userService;

    @Autowired
    private OrderMemberMapper orderMemberMapper;
    private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    @Autowired
    private MemberService memberService;
    @Override
    public void buyMember(OrderMember orderMember, HttpServletResponse httpResponse) throws IOException {
        //上传会员id和用户id即可
        int memberId=orderMember.getMemberId();
        Member member=memberService.findMemberByMemberId(memberId);
        orderMember.setPrice(member.getPrice());
        orderMember.setBuyDate(sdf.format(new Date()));
        int i=orderMemberMapper.insert(orderMember);
        // 1. 创建Client，通用SDK提供的Client，负责调用支付宝的API
        AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL, aliPayConfigs.getAppId(),
                aliPayConfigs.getAppPrivateKey(), FORMAT, CHARSET, aliPayConfigs.getAlipayPublicKey(), SIGN_TYPE);

        // 2. 创建 Request并设置Request参数
        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();  // 发送请求的 Request类
        request.setNotifyUrl(aliPayConfigs.getNotifyUrl());
        request.setReturnUrl("http://localhost:3000/#/VIP");
        JSONObject bizContent = new JSONObject();
        bizContent.set("out_trade_no", orderMember.getId());  // 我们自己生成的订单编号
        bizContent.set("total_amount", orderMember.getPrice()); // 订单的总金额
        bizContent.set("subject",member.getMemberName());   // 支付的名称
        bizContent.set("product_code", "FAST_INSTANT_TRADE_PAY");  // 固定配置
        request.setBizContent(bizContent.toString());

        // 执行请求，拿到响应的结果，返回给浏览器
        String form = "";
        try {
            form = alipayClient.pageExecute(request).getBody(); // 调用SDK生成表单
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        httpResponse.setContentType("text/html;charset=" + CHARSET);
        httpResponse.getWriter().write(form);// 直接将完整的表单html输出到页面
        httpResponse.getWriter().flush();
        httpResponse.getWriter().close();


    }

    @Override
    public Result payNotify(HttpServletRequest request) throws Exception{
        if (request.getParameter("trade_status").equals("TRADE_SUCCESS")) {
            System.out.println("=========支付宝异步回调========");

            Map<String, String> params = new HashMap<>();
            Map<String, String[]> requestParams = request.getParameterMap();
            for (String name : requestParams.keySet()) {
                params.put(name, request.getParameter(name));
                // System.out.println(name + " = " + request.getParameter(name));
            }

            String outTradeNo = params.get("out_trade_no");
            String gmtPayment = params.get("gmt_payment");
            String alipayTradeNo = params.get("trade_no");

            String sign = params.get("sign");
            String content = AlipaySignature.getSignCheckContentV1(params);
            boolean checkSignature = AlipaySignature.rsa256CheckContent(content, sign, aliPayConfigs.getAlipayPublicKey(), "UTF-8"); // 验证签名
            // 支付宝验签
            if (checkSignature) {
                // 验签通过
                System.out.println("交易名称: " + params.get("subject"));
                System.out.println("交易状态: " + params.get("trade_status"));
                System.out.println("支付宝交易凭证号: " + params.get("trade_no"));
                System.out.println("商户订单号: " + params.get("out_trade_no"));
                System.out.println("交易金额: " + params.get("total_amount"));
                System.out.println("买家在支付宝唯一id: " + params.get("buyer_id"));
                System.out.println("买家付款时间: " + params.get("gmt_payment"));
                System.out.println("买家付款金额: " + params.get("buyer_pay_amount"));


                LambdaUpdateWrapper<OrderMember> lambdaUpdateWrapper=new LambdaUpdateWrapper<>();
                lambdaUpdateWrapper.set(OrderMember::getStatus,1);
                lambdaUpdateWrapper.eq(OrderMember::getId,outTradeNo);
                int i=orderMemberMapper.update(null,lambdaUpdateWrapper);
                OrderMember orderMember=orderMemberMapper.selectById(outTradeNo);
                String uid=orderMember.getUserId();
                int memberId=orderMember.getMemberId();
                Member member= memberService.findMemberByMemberId(memberId);
                int day=member.getEffectiveTime();
                userService.updateUserMember(uid,day);
            }
        }
        return Result.success(null);

    }
}
